/* Compute different info about registers.
- Copyright (C) 1987-2014 Free Software Foundation, Inc.
+ Copyright (C) 1987-2015 Free Software Foundation, Inc.
This file is part of GCC.
#include "coretypes.h"
#include "tm.h"
#include "hard-reg-set.h"
+#include "alias.h"
+#include "symtab.h"
#include "tree.h"
#include "rtl.h"
+#include "function.h"
+#include "flags.h"
+#include "insn-config.h"
+#include "expmed.h"
+#include "dojump.h"
+#include "explow.h"
+#include "calls.h"
+#include "emit-rtl.h"
+#include "varasm.h"
+#include "stmt.h"
#include "expr.h"
#include "tm_p.h"
-#include "flags.h"
+#include "predict.h"
+#include "dominance.h"
+#include "cfg.h"
#include "basic-block.h"
#include "regs.h"
#include "addresses.h"
-#include "hashtab.h"
-#include "hash-set.h"
-#include "vec.h"
-#include "machmode.h"
-#include "input.h"
-#include "function.h"
-#include "insn-config.h"
#include "recog.h"
#include "reload.h"
#include "diagnostic-core.h"
subreg_shape shape;
HARD_REG_SET simplifiable_regs;
};
-
-struct simplifiable_subregs_hasher : typed_noop_remove <simplifiable_subreg>
-{
- typedef simplifiable_subreg value_type;
- typedef subreg_shape compare_type;
-
- static inline hashval_t hash (const value_type *);
- static inline bool equal (const value_type *, const compare_type *);
-};
\f
struct target_hard_regs default_target_hard_regs;
struct target_regs default_target_regs;
init_reg_sets_1 (void)
{
unsigned int i, j;
- unsigned int /* enum machine_mode */ m;
+ unsigned int /* machine_mode */ m;
restore_register_info ();
}
else if (i == FRAME_POINTER_REGNUM)
;
-#if !HARD_FRAME_POINTER_IS_FRAME_POINTER
- else if (i == HARD_FRAME_POINTER_REGNUM)
+ else if (!HARD_FRAME_POINTER_IS_FRAME_POINTER
+ && i == HARD_FRAME_POINTER_REGNUM)
;
-#endif
-#if ARG_POINTER_REGNUM != FRAME_POINTER_REGNUM
- else if (i == ARG_POINTER_REGNUM && fixed_regs[i])
+ else if (FRAME_POINTER_REGNUM != ARG_POINTER_REGNUM
+ && i == ARG_POINTER_REGNUM && fixed_regs[i])
;
-#endif
else if (!PIC_OFFSET_TABLE_REG_CALL_CLOBBERED
&& i == (unsigned) PIC_OFFSET_TABLE_REGNUM && fixed_regs[i])
;
HARD_REG_SET ok_regs;
CLEAR_HARD_REG_SET (ok_regs);
for (j = 0; j < FIRST_PSEUDO_REGISTER; j++)
- if (!fixed_regs [j] && HARD_REGNO_MODE_OK (j, (enum machine_mode) m))
+ if (!fixed_regs [j] && HARD_REGNO_MODE_OK (j, (machine_mode) m))
SET_HARD_REG_BIT (ok_regs, j);
for (i = 0; i < N_REG_CLASSES; i++)
- if ((targetm.class_max_nregs ((reg_class_t) i, (enum machine_mode) m)
+ if ((targetm.class_max_nregs ((reg_class_t) i, (machine_mode) m)
<= reg_class_size[i])
&& hard_reg_set_intersect_p (ok_regs, reg_class_contents[i]))
{
for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
for (j = 0; j < MAX_MACHINE_MODE; j++)
- hard_regno_nregs[i][j] = HARD_REGNO_NREGS (i, (enum machine_mode)j);
+ hard_regno_nregs[i][j] = HARD_REGNO_NREGS (i, (machine_mode)j);
for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
{
int i;
for (i = 0; i < MAX_MACHINE_MODE; i++)
- top_of_stack[i] = gen_rtx_MEM ((enum machine_mode) i, stack_pointer_rtx);
+ top_of_stack[i] = gen_rtx_MEM ((machine_mode) i, stack_pointer_rtx);
}
TO, using MODE. */
int
-register_move_cost (enum machine_mode mode, reg_class_t from, reg_class_t to)
+register_move_cost (machine_mode mode, reg_class_t from, reg_class_t to)
{
return targetm.register_move_cost (mode, from, to);
}
/* Compute cost of moving registers to/from memory. */
int
-memory_move_cost (enum machine_mode mode, reg_class_t rclass, bool in)
+memory_move_cost (machine_mode mode, reg_class_t rclass, bool in)
{
return targetm.memory_move_cost (mode, rclass, in);
}
/* Compute extra cost of moving registers to/from memory due to reloads.
Only needed if secondary reloads are required for memory moves. */
int
-memory_move_secondary_cost (enum machine_mode mode, reg_class_t rclass,
+memory_move_secondary_cost (machine_mode mode, reg_class_t rclass,
bool in)
{
reg_class_t altclass;
/* Return a machine mode that is legitimate for hard reg REGNO and large
enough to save nregs. If we can't find one, return VOIDmode.
If CALL_SAVED is true, only consider modes that are call saved. */
-enum machine_mode
+machine_mode
choose_hard_reg_mode (unsigned int regno ATTRIBUTE_UNUSED,
unsigned int nregs, bool call_saved)
{
- unsigned int /* enum machine_mode */ m;
- enum machine_mode found_mode = VOIDmode, mode;
+ unsigned int /* machine_mode */ m;
+ machine_mode found_mode = VOIDmode, mode;
/* We first look for the largest integer mode that can be validly
held in REGNO. If none, we look for the largest floating-point mode.
/* Iterate over all of the CCmodes. */
for (m = (unsigned int) CCmode; m < (unsigned int) NUM_MACHINE_MODES; ++m)
{
- mode = (enum machine_mode) m;
+ mode = (machine_mode) m;
if ((unsigned) hard_regno_nregs[regno][mode] == nregs
&& HARD_REGNO_MODE_OK (regno, mode)
&& (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)))
/* Count a set of the destination if it is a register. */
for (dest = SET_DEST (x);
GET_CODE (dest) == SUBREG || GET_CODE (dest) == STRICT_LOW_PART
- || GET_CODE (dest) == ZERO_EXTEND;
+ || GET_CODE (dest) == ZERO_EXTRACT;
dest = XEXP (dest, 0))
;
\f
inline hashval_t
-simplifiable_subregs_hasher::hash (const value_type *value)
+simplifiable_subregs_hasher::hash (const simplifiable_subreg *value)
{
return value->shape.unique_id ();
}
inline bool
-simplifiable_subregs_hasher::equal (const value_type *value,
- const compare_type *compare)
+simplifiable_subregs_hasher::equal (const simplifiable_subreg *value,
+ const subreg_shape *compare)
{
return value->shape == *compare;
}
find_subregs_of_mode (PATTERN (insn));
}
-/* Return 1 if REGNO has had an invalid mode change in CLASS from FROM
- mode. */
-bool
-invalid_mode_change_p (unsigned int regno, enum reg_class rclass)
+const HARD_REG_SET *
+valid_mode_changes_for_regno (unsigned int regno)
{
- return (valid_mode_changes[regno]
- && !hard_reg_set_intersect_p (reg_class_contents[rclass],
- *valid_mode_changes[regno]));
+ return valid_mode_changes[regno];
}
void
finish_subregs_of_mode (void)
{
XDELETEVEC (valid_mode_changes);
- obstack_finish (&valid_mode_changes_obstack);
+ obstack_free (&valid_mode_changes_obstack, NULL);
}
/* Free all data attached to the structure. This isn't a destructor because
projects / gcc.git / blobdiff